SUSE-SU-2025:4525-1: moderate: Security update for gnutls

[SLE-SECURITY-UPDATES]

# Security update for gnutls

Announcement ID: SUSE-SU-2025:4525-1  
Release Date: 2025-12-26T12:19:21Z  
Rating: moderate  
References:

  * bsc#1254132

  
Cross-References:

  * CVE-2025-9820

  
CVSS scores:

  * CVE-2025-9820 ( SUSE ):  4.0 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

  
Affected Products:

  * openSUSE Leap 15.4
  * SUSE Linux Enterprise Micro 5.4
  * SUSE Linux Enterprise Micro 5.5
  * SUSE Linux Enterprise Micro for Rancher 5.4

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for gnutls fixes the following issues:

  * CVE-2025-9820: Fixed buffer overflow in gnutls_pkcs11_token_init.
    (bsc#1254132)

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".  
Alternatively you can run the command listed for your product:

  * openSUSE Leap 15.4  
    zypper in -t patch SUSE-2025-4525=1

  * SUSE Linux Enterprise Micro for Rancher 5.4  
    zypper in -t patch SUSE-SLE-Micro-5.4-2025-4525=1

  * SUSE Linux Enterprise Micro 5.4  
    zypper in -t patch SUSE-SLE-Micro-5.4-2025-4525=1

  * SUSE Linux Enterprise Micro 5.5  
    zypper in -t patch SUSE-SLE-Micro-5.5-2025-4525=1

## Package List:

  * openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64 i586)
    * libgnutls30-3.7.3-150400.4.53.1
    * libgnutls-devel-3.7.3-150400.4.53.1
    * gnutls-guile-debuginfo-3.7.3-150400.4.53.1
    * libgnutls30-debuginfo-3.7.3-150400.4.53.1
    * libgnutls30-hmac-3.7.3-150400.4.53.1
    * gnutls-guile-3.7.3-150400.4.53.1
    * gnutls-debuginfo-3.7.3-150400.4.53.1
    * libgnutlsxx28-debuginfo-3.7.3-150400.4.53.1
    * libgnutlsxx-devel-3.7.3-150400.4.53.1
    * gnutls-debugsource-3.7.3-150400.4.53.1
    * libgnutlsxx28-3.7.3-150400.4.53.1
    * gnutls-3.7.3-150400.4.53.1
  * openSUSE Leap 15.4 (x86_64)
    * libgnutls30-32bit-debuginfo-3.7.3-150400.4.53.1
    * libgnutls30-32bit-3.7.3-150400.4.53.1
    * libgnutls-devel-32bit-3.7.3-150400.4.53.1
    * libgnutls30-hmac-32bit-3.7.3-150400.4.53.1
  * openSUSE Leap 15.4 (aarch64_ilp32)
    * libgnutls30-64bit-3.7.3-150400.4.53.1
    * libgnutls30-64bit-debuginfo-3.7.3-150400.4.53.1
    * libgnutls30-hmac-64bit-3.7.3-150400.4.53.1
    * libgnutls-devel-64bit-3.7.3-150400.4.53.1
  * SUSE Linux Enterprise Micro for Rancher 5.4 (aarch64 s390x x86_64)
    * libgnutls30-3.7.3-150400.4.53.1
    * libgnutls30-debuginfo-3.7.3-150400.4.53.1
    * libgnutls30-hmac-3.7.3-150400.4.53.1
    * gnutls-debuginfo-3.7.3-150400.4.53.1
    * gnutls-debugsource-3.7.3-150400.4.53.1
    * gnutls-3.7.3-150400.4.53.1
  * SUSE Linux Enterprise Micro 5.4 (aarch64 s390x x86_64)
    * libgnutls30-3.7.3-150400.4.53.1
    * libgnutls30-debuginfo-3.7.3-150400.4.53.1
    * libgnutls30-hmac-3.7.3-150400.4.53.1
    * gnutls-debuginfo-3.7.3-150400.4.53.1
    * gnutls-debugsource-3.7.3-150400.4.53.1
    * gnutls-3.7.3-150400.4.53.1
  * SUSE Linux Enterprise Micro 5.5 (aarch64 ppc64le s390x x86_64)
    * libgnutls30-3.7.3-150400.4.53.1
    * libgnutls30-debuginfo-3.7.3-150400.4.53.1
    * libgnutls30-hmac-3.7.3-150400.4.53.1
    * gnutls-debuginfo-3.7.3-150400.4.53.1
    * gnutls-debugsource-3.7.3-150400.4.53.1
    * gnutls-3.7.3-150400.4.53.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-9820.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1254132

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